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被控端 - 修复 MTU 问题:夹 MSS + 路径 MTU 探测(公网可用率 48% -> 100%) - 复用 HTTP 连接(免掉每次新建 TLS 的 30% 握手失败) - 每分钟回头找局域网,自动切回快 400 倍的路径 - 画面心跳帧:静止时省流量,客户端仍知道流是活的 - 锁屏时给出可操作的提示 手表端 - 内置 GTS Root R4 / GlobalSign Root CA,修 SSLHandshakeException - 连接错误翻译成人话(证书/时间/解析/超时分别提示) - 经中转连上后用服务器报的地址刷新已配对记录 - 新增局域网连接页面、服务器延迟检测 服务器端 - 支持 chunked 请求体(修每 16 秒一次的连接错乱与大面积 502) - 网络调优脚本 net-tune.sh(开机自动应用) - 管理页:批量删除、网络体检、下载区 - 隧道改 HTTP/2 + 双连接 文档 - 许可协议 / 安装前必读 / 安装后须知(作者:小麦子)
136 lines
5.0 KiB
Python
136 lines
5.0 KiB
Python
# -*- coding: utf-8 -*-
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"""把 DNS 劫持的检测和修复写进 install.sh。
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为什么重要:
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这条 4G 线路把 api.cloudflare.com 解析到 141.193.154.210
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(运营商拦截设备,自签名证书)。cloudflared 下载登录证书必须走
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这个域名,于是永远报 Failed to fetch resource ——
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卡了我好几轮才查出来。
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自动处理:
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1. 解析 api.cloudflare.com
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2. 如果拿到的不是 Cloudflare 的真实网段(104.16/104.17/172.67…)
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-> 判定为 DNS 劫持
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3. 在 /etc/hosts 里钉一个真实 IP
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4. 验证修好了
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"""
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from __future__ import annotations
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import sys
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from pathlib import Path
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INSTALL = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote\relay"
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r"\install.sh")
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# 在"检查环境"那一步之后插入 DNS 检查
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ANCHOR = '''echo " 内存: $(free -m | awk 'NR==2{print $2" MB 总量 / "$7" MB 可用"}')"'''
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NEW = '''echo " 内存: $(free -m | awk 'NR==2{print $2" MB 总量 / "$7" MB 可用"}')"
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# ---------- 0b. 检查 Cloudflare API 有没有被 DNS 劫持 ----------
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# 踩过的坑:这条 4G 线路把 api.cloudflare.com 解析到运营商设备
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# (141.193.154.210,自签名证书)。cloudflared 下载登录证书必须走这个域名,
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# 于是永远报 Failed to fetch resource,具名隧道根本建不起来。
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echo
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echo "[0b] 检查 Cloudflare API"
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CF_HOSTS=/etc/hosts
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CF_MARK="# LanRemote: 钉住 Cloudflare API(网络会 DNS 劫持)"
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resolve_cf() {
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getent ahostsv4 api.cloudflare.com 2>/dev/null | awk 'NR==1{print $1}'
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}
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is_real_cf() {
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case "$1" in
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104.16.*|104.17.*|104.18.*|104.19.*|104.20.*|104.21.*|172.64.*|172.66.*|172.67.*|162.159.*|188.114.*)
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return 0 ;;
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*) return 1 ;;
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esac
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}
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CF_IP=$(resolve_cf)
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echo " api.cloudflare.com 现在解析到: ${CF_IP:-(解析不出来)}"
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CF_CODE=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \\
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https://api.cloudflare.com/client/v4/user 2>/dev/null || echo 000)
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echo " 实测 HTTP: ${CF_CODE}"
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if is_real_cf "$CF_IP" && { [ "$CF_CODE" = "403" ] || [ "$CF_CODE" = "200" ]; }; then
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echo " ✓ 正常(没被劫持)"
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else
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echo " ⚠ 检测到 Cloudflare API 被 DNS 劫持或不可达"
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echo " 具名隧道需要访问它来下载证书,先修掉。"
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cp -n "$CF_HOSTS" "${CF_HOSTS}.lanremote.bak" 2>/dev/null || true
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sed -i "/$CF_MARK/d" "$CF_HOSTS" 2>/dev/null || true
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sed -i '/api\\.cloudflare\\.com/d' "$CF_HOSTS" 2>/dev/null || true
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{
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echo ""
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echo "$CF_MARK"
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echo "104.16.132.229 api.cloudflare.com"
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echo "104.16.133.229 api.cloudflare.com"
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} >> "$CF_HOSTS"
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sleep 1
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CF_IP2=$(resolve_cf)
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CF_CODE2=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \\
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https://api.cloudflare.com/client/v4/user 2>/dev/null || echo 000)
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echo " 修完解析到: ${CF_IP2:-?} HTTP: ${CF_CODE2}"
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if [ "$CF_CODE2" = "403" ] || [ "$CF_CODE2" = "200" ]; then
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echo " ✓ 修好了"
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else
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echo " ✗ 还是不通 —— 具名隧道可能建不起来,"
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echo " 但匿名隧道仍然可用(它走的是另一条链路)"
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fi
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fi'''
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# 一并写进"具名隧道"那一段的说明
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NAMED_ANCHOR = ''' 具名隧道不受匿名隧道限流,稳定性完全不是一个级别。'''
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NAMED_NEW = ''' 具名隧道不受匿名隧道限流,稳定性完全不是一个级别。
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注意:建具名隧道前,install.sh 会检查 api.cloudflare.com 有没有被
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DNS 劫持(有些移动网络会把它解析到运营商设备)。如果被劫持,
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会自动在 /etc/hosts 里钉真实 IP —— 否则 cloudflared 下载证书
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会一直报 Failed to fetch resource。'''
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def main() -> int:
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text = INSTALL.read_text(encoding="utf-8")
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ok = True
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if "CF_MARK" in text:
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print(" install.sh 已经加过 DNS 检查")
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elif ANCHOR not in text:
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print(" [失败] 找不到锚点")
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ok = False
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else:
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text = text.replace(ANCHOR, NEW, 1)
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print(" install.sh: 加了 DNS 劫持检测与修复")
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if NAMED_ANCHOR in text and "DNS 劫持" not in text.split(NAMED_ANCHOR)[1][:200]:
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text = text.replace(NAMED_ANCHOR, NAMED_NEW, 1)
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print(" install.sh: 说明里补了 DNS 劫持提示")
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INSTALL.write_text(text, encoding="utf-8")
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# bash 语法检查(如果在 Windows 上没 bash,就只做个粗略的括号检查)
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import subprocess
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try:
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result = subprocess.run(["bash", "-n", str(INSTALL)],
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capture_output=True, text=True, timeout=30)
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if result.returncode == 0:
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print(" install.sh: bash 语法 OK")
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else:
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print(f" install.sh: bash 语法错误\n{result.stderr[:400]}")
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ok = False
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except FileNotFoundError:
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opens = text.count("{")
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closes = text.count("}")
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print(f" (没有 bash 可检查)花括号 {opens} 开 / {closes} 闭")
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return 0 if ok else 1
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if __name__ == "__main__":
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sys.exit(main())
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